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1181 |
sfurman |
/* Mach 3.0 common definitions and global vars.
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Copyright 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef NM_M3_H
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#define NM_M3_H
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#include <mach.h>
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#include "regcache.h"
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/* Mach3 doesn't declare errno in <errno.h>. */
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extern int errno;
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/* Task port of our debugged inferior. */
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extern task_t inferior_task;
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/* Thread port of the current thread in the inferior. */
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extern thread_t current_thread;
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/* If nonzero, we must suspend/abort && resume threads
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* when setting or getting the state.
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*/
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extern int must_suspend_thread;
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#define PREPARE_TO_PROCEED(select_it) mach3_prepare_to_proceed(select_it)
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/* Try to get the privileged host port for authentication to machid
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* If you can get this, you may debug anything on this host.
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*
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* If you can't, gdb gives it's own task port as the
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* authentication port
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*/
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#define mach_privileged_host_port() task_by_pid(-1)
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/*
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* This is the MIG ID number of the emulator/server bsd_execve() RPC call.
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*
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* It SHOULD never change, but if it does, gdb `run'
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* command won't work until you fix this define.
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*
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*/
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#define MIG_EXEC_SYSCALL_ID 101000
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/* If our_message_port gets a msg with this ID,
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* GDB suspends it's inferior and enters command level.
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* (Useful at least if ^C does not work)
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*/
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#define GDB_MESSAGE_ID_STOP 0x41151
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/* wait3 WNOHANG is defined in <sys/wait.h> but
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* for some reason gdb does not want to include
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* that file.
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*
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* If your system defines WNOHANG differently, this has to be changed.
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*/
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#define WNOHANG 1
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/* Before storing, we need to read all the registers. */
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#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
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/* Check if the inferior exists */
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#define MACH_ERROR_NO_INFERIOR \
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do if (!MACH_PORT_VALID (inferior_task)) \
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error ("Inferior task does not exist."); while(0)
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/* Error handler for mach calls */
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#define CHK(str,ret) \
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do if (ret != KERN_SUCCESS) \
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error ("Gdb %s [%d] %s : %s\n",__FILE__,__LINE__,str, \
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mach_error_string(ret)); while(0)
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/* This is from POE9 emulator/emul_stack.h
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*/
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/*
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* Top of emulator stack holds link and reply port.
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*/
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struct emul_stack_top
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{
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struct emul_stack_top *link;
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mach_port_t reply_port;
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};
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#define EMULATOR_STACK_SIZE (4096*4)
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#define THREAD_ALLOWED_TO_BREAK(mid) mach_thread_for_breakpoint (mid)
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#define THREAD_PARSE_ID(arg) mach_thread_parse_id (arg)
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#define THREAD_OUTPUT_ID(mid) mach_thread_output_id (mid)
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#define ATTACH_TO_THREAD attach_to_thread
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/* Don't do wait_for_inferior on attach. */
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#define ATTACH_NO_WAIT
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/* Do Mach 3 dependent operations when ^C or a STOP is requested */
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#define DO_QUIT() mach3_quit ()
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#if 0
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/* This is bogus. It is NOT OK to quit out of target_wait. */
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/* If in mach_msg() and ^C is typed set immediate_quit */
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#define REQUEST_QUIT() mach3_request_quit ()
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#endif
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#endif /* NM_M3_H */
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